./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-nzb-file-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad27d24e-6506-4958-b370-c72233769a46/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad27d24e-6506-4958-b370-c72233769a46/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad27d24e-6506-4958-b370-c72233769a46/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad27d24e-6506-4958-b370-c72233769a46/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-nzb-file-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad27d24e-6506-4958-b370-c72233769a46/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad27d24e-6506-4958-b370-c72233769a46/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 48ddce9ee02b3ea4431cf137593b71facb450c3e223dbff4f116c3c0ac1377b5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:08:40,117 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:08:40,239 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad27d24e-6506-4958-b370-c72233769a46/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 22:08:40,249 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:08:40,249 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:08:40,287 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:08:40,288 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:08:40,289 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:08:40,293 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:08:40,293 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:08:40,294 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:08:40,294 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:08:40,295 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:08:40,295 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:08:40,298 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:08:40,299 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:08:40,299 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:08:40,300 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:08:40,304 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:08:40,304 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:08:40,305 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:08:40,309 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:08:40,309 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 22:08:40,310 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:08:40,310 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:08:40,310 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:08:40,311 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:08:40,311 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:08:40,312 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:08:40,316 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:08:40,317 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:08:40,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:08:40,317 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:08:40,318 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:08:40,318 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:08:40,318 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:08:40,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:08:40,319 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:08:40,319 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:08:40,319 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:08:40,322 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:08:40,323 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad27d24e-6506-4958-b370-c72233769a46/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad27d24e-6506-4958-b370-c72233769a46/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48ddce9ee02b3ea4431cf137593b71facb450c3e223dbff4f116c3c0ac1377b5 [2024-10-31 22:08:40,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:08:40,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:08:40,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:08:40,699 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:08:40,700 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:08:40,701 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad27d24e-6506-4958-b370-c72233769a46/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/weaver/chl-nzb-file-symm.wvr.c Unable to find full path for "g++" [2024-10-31 22:08:43,047 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:08:43,362 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:08:43,364 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad27d24e-6506-4958-b370-c72233769a46/sv-benchmarks/c/weaver/chl-nzb-file-symm.wvr.c [2024-10-31 22:08:43,375 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad27d24e-6506-4958-b370-c72233769a46/bin/uautomizer-verify-4GaUIPS5ZU/data/95d57fd37/10485825b8e248bfb26752b2c3623b33/FLAGbe69ed206 [2024-10-31 22:08:43,408 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad27d24e-6506-4958-b370-c72233769a46/bin/uautomizer-verify-4GaUIPS5ZU/data/95d57fd37/10485825b8e248bfb26752b2c3623b33 [2024-10-31 22:08:43,415 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:08:43,417 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:08:43,420 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:08:43,420 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:08:43,428 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:08:43,429 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:08:43" (1/1) ... [2024-10-31 22:08:43,433 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4272aab1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:43, skipping insertion in model container [2024-10-31 22:08:43,433 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:08:43" (1/1) ... [2024-10-31 22:08:43,469 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:08:43,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:08:43,907 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:08:44,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:08:44,047 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:08:44,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:44 WrapperNode [2024-10-31 22:08:44,048 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:08:44,049 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:08:44,049 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:08:44,049 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:08:44,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:44" (1/1) ... [2024-10-31 22:08:44,077 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:44" (1/1) ... [2024-10-31 22:08:44,149 INFO L138 Inliner]: procedures = 24, calls = 46, calls flagged for inlining = 22, calls inlined = 30, statements flattened = 893 [2024-10-31 22:08:44,149 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:08:44,150 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:08:44,150 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:08:44,151 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:08:44,168 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:44" (1/1) ... [2024-10-31 22:08:44,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:44" (1/1) ... [2024-10-31 22:08:44,177 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:44" (1/1) ... [2024-10-31 22:08:44,178 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:44" (1/1) ... [2024-10-31 22:08:44,215 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:44" (1/1) ... [2024-10-31 22:08:44,230 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:44" (1/1) ... [2024-10-31 22:08:44,235 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:44" (1/1) ... [2024-10-31 22:08:44,242 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:44" (1/1) ... [2024-10-31 22:08:44,255 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:08:44,260 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:08:44,264 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:08:44,264 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:08:44,265 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:44" (1/1) ... [2024-10-31 22:08:44,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:08:44,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad27d24e-6506-4958-b370-c72233769a46/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:44,320 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad27d24e-6506-4958-b370-c72233769a46/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:44,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad27d24e-6506-4958-b370-c72233769a46/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:08:44,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:08:44,370 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-31 22:08:44,371 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-31 22:08:44,371 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-31 22:08:44,372 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-31 22:08:44,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 22:08:44,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-31 22:08:44,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:08:44,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:08:44,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:08:44,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-31 22:08:44,377 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 22:08:44,594 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:08:44,599 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:08:46,448 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:08:46,448 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:08:46,491 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:08:46,491 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-31 22:08:46,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:46 BoogieIcfgContainer [2024-10-31 22:08:46,492 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:08:46,495 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:08:46,495 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:08:46,501 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:08:46,502 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:08:43" (1/3) ... [2024-10-31 22:08:46,503 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35201eec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:08:46, skipping insertion in model container [2024-10-31 22:08:46,503 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:44" (2/3) ... [2024-10-31 22:08:46,503 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35201eec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:08:46, skipping insertion in model container [2024-10-31 22:08:46,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:46" (3/3) ... [2024-10-31 22:08:46,506 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-nzb-file-symm.wvr.c [2024-10-31 22:08:46,528 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:08:46,528 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 152 error locations. [2024-10-31 22:08:46,528 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:08:46,808 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-31 22:08:46,894 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1132 places, 1200 transitions, 2414 flow [2024-10-31 22:08:47,965 INFO L124 PetriNetUnfolderBase]: 75/1198 cut-off events. [2024-10-31 22:08:47,966 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-31 22:08:48,035 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1207 conditions, 1198 events. 75/1198 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 4153 event pairs, 0 based on Foata normal form. 0/971 useless extension candidates. Maximal degree in co-relation 922. Up to 2 conditions per place. [2024-10-31 22:08:48,035 INFO L82 GeneralOperation]: Start removeDead. Operand has 1132 places, 1200 transitions, 2414 flow [2024-10-31 22:08:48,098 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1110 places, 1176 transitions, 2364 flow [2024-10-31 22:08:48,115 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:08:48,126 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@55519e88, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:08:48,127 INFO L334 AbstractCegarLoop]: Starting to check reachability of 286 error locations. [2024-10-31 22:08:48,133 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:08:48,134 INFO L124 PetriNetUnfolderBase]: 0/29 cut-off events. [2024-10-31 22:08:48,134 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:08:48,135 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:08:48,136 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:48,137 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 282 more)] === [2024-10-31 22:08:48,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:48,144 INFO L85 PathProgramCache]: Analyzing trace with hash -478600782, now seen corresponding path program 1 times [2024-10-31 22:08:48,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:48,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175579736] [2024-10-31 22:08:48,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:48,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:48,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:48,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:48,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:48,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175579736] [2024-10-31 22:08:48,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175579736] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:48,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:48,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:08:48,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509991411] [2024-10-31 22:08:48,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:48,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:08:48,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:48,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:08:48,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:08:48,644 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1161 out of 1200 [2024-10-31 22:08:48,677 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1110 places, 1176 transitions, 2364 flow. Second operand has 3 states, 3 states have (on average 1162.3333333333333) internal successors, (3487), 3 states have internal predecessors, (3487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:48,695 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:08:48,700 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1161 of 1200 [2024-10-31 22:08:48,705 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:08:49,933 INFO L124 PetriNetUnfolderBase]: 75/1605 cut-off events. [2024-10-31 22:08:49,934 INFO L125 PetriNetUnfolderBase]: For 11/12 co-relation queries the response was YES. [2024-10-31 22:08:49,969 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1635 conditions, 1605 events. 75/1605 cut-off events. For 11/12 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 6858 event pairs, 3 based on Foata normal form. 47/1334 useless extension candidates. Maximal degree in co-relation 1365. Up to 16 conditions per place. [2024-10-31 22:08:49,997 INFO L140 encePairwiseOnDemand]: 1173/1200 looper letters, 9 selfloop transitions, 2 changer transitions 4/1151 dead transitions. [2024-10-31 22:08:49,997 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1111 places, 1151 transitions, 2336 flow [2024-10-31 22:08:49,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:08:50,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:08:50,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3519 transitions. [2024-10-31 22:08:50,023 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9775 [2024-10-31 22:08:50,026 INFO L175 Difference]: Start difference. First operand has 1110 places, 1176 transitions, 2364 flow. Second operand 3 states and 3519 transitions. [2024-10-31 22:08:50,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1111 places, 1151 transitions, 2336 flow [2024-10-31 22:08:50,039 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1107 places, 1151 transitions, 2328 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-31 22:08:50,058 INFO L231 Difference]: Finished difference. Result has 1107 places, 1147 transitions, 2302 flow [2024-10-31 22:08:50,061 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1200, PETRI_DIFFERENCE_MINUEND_FLOW=2306, PETRI_DIFFERENCE_MINUEND_PLACES=1105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2302, PETRI_PLACES=1107, PETRI_TRANSITIONS=1147} [2024-10-31 22:08:50,065 INFO L277 CegarLoopForPetriNet]: 1110 programPoint places, -3 predicate places. [2024-10-31 22:08:50,065 INFO L471 AbstractCegarLoop]: Abstraction has has 1107 places, 1147 transitions, 2302 flow [2024-10-31 22:08:50,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1162.3333333333333) internal successors, (3487), 3 states have internal predecessors, (3487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:50,068 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:08:50,068 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:50,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:08:50,069 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 282 more)] === [2024-10-31 22:08:50,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:50,070 INFO L85 PathProgramCache]: Analyzing trace with hash 249213282, now seen corresponding path program 1 times [2024-10-31 22:08:50,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:50,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835788842] [2024-10-31 22:08:50,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:50,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:50,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:50,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:50,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:50,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835788842] [2024-10-31 22:08:50,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835788842] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:50,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:50,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:08:50,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129475149] [2024-10-31 22:08:50,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:50,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:08:50,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:50,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:08:50,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:08:50,214 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1161 out of 1200 [2024-10-31 22:08:50,220 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1107 places, 1147 transitions, 2302 flow. Second operand has 3 states, 3 states have (on average 1162.3333333333333) internal successors, (3487), 3 states have internal predecessors, (3487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:50,220 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:08:50,220 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1161 of 1200 [2024-10-31 22:08:50,221 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:08:51,073 INFO L124 PetriNetUnfolderBase]: 76/1642 cut-off events. [2024-10-31 22:08:51,073 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-10-31 22:08:51,113 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1668 conditions, 1642 events. 76/1642 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 7435 event pairs, 3 based on Foata normal form. 0/1326 useless extension candidates. Maximal degree in co-relation 1630. Up to 17 conditions per place. [2024-10-31 22:08:51,140 INFO L140 encePairwiseOnDemand]: 1197/1200 looper letters, 9 selfloop transitions, 2 changer transitions 0/1146 dead transitions. [2024-10-31 22:08:51,140 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1104 places, 1146 transitions, 2322 flow [2024-10-31 22:08:51,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:08:51,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:08:51,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3495 transitions. [2024-10-31 22:08:51,151 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9708333333333333 [2024-10-31 22:08:51,152 INFO L175 Difference]: Start difference. First operand has 1107 places, 1147 transitions, 2302 flow. Second operand 3 states and 3495 transitions. [2024-10-31 22:08:51,152 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1104 places, 1146 transitions, 2322 flow [2024-10-31 22:08:51,166 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1102 places, 1146 transitions, 2318 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:08:51,184 INFO L231 Difference]: Finished difference. Result has 1102 places, 1146 transitions, 2300 flow [2024-10-31 22:08:51,186 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1200, PETRI_DIFFERENCE_MINUEND_FLOW=2296, PETRI_DIFFERENCE_MINUEND_PLACES=1100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2300, PETRI_PLACES=1102, PETRI_TRANSITIONS=1146} [2024-10-31 22:08:51,187 INFO L277 CegarLoopForPetriNet]: 1110 programPoint places, -8 predicate places. [2024-10-31 22:08:51,187 INFO L471 AbstractCegarLoop]: Abstraction has has 1102 places, 1146 transitions, 2300 flow [2024-10-31 22:08:51,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1162.3333333333333) internal successors, (3487), 3 states have internal predecessors, (3487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:51,190 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:08:51,191 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:51,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:08:51,191 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 282 more)] === [2024-10-31 22:08:51,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:51,193 INFO L85 PathProgramCache]: Analyzing trace with hash 83054893, now seen corresponding path program 1 times [2024-10-31 22:08:51,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:51,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993841019] [2024-10-31 22:08:51,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:51,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:51,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:51,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:51,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:51,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993841019] [2024-10-31 22:08:51,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993841019] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:51,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:51,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:08:51,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850757886] [2024-10-31 22:08:51,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:51,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:08:51,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:51,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:08:51,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:08:51,311 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1161 out of 1200 [2024-10-31 22:08:51,319 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1102 places, 1146 transitions, 2300 flow. Second operand has 3 states, 3 states have (on average 1162.3333333333333) internal successors, (3487), 3 states have internal predecessors, (3487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:51,319 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:08:51,319 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1161 of 1200 [2024-10-31 22:08:51,320 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:08:52,093 INFO L124 PetriNetUnfolderBase]: 75/1599 cut-off events. [2024-10-31 22:08:52,094 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2024-10-31 22:08:52,123 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1624 conditions, 1599 events. 75/1599 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 6847 event pairs, 3 based on Foata normal form. 0/1287 useless extension candidates. Maximal degree in co-relation 1578. Up to 16 conditions per place. [2024-10-31 22:08:52,142 INFO L140 encePairwiseOnDemand]: 1197/1200 looper letters, 9 selfloop transitions, 2 changer transitions 0/1145 dead transitions. [2024-10-31 22:08:52,142 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1103 places, 1145 transitions, 2320 flow [2024-10-31 22:08:52,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:08:52,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:08:52,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3495 transitions. [2024-10-31 22:08:52,156 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9708333333333333 [2024-10-31 22:08:52,156 INFO L175 Difference]: Start difference. First operand has 1102 places, 1146 transitions, 2300 flow. Second operand 3 states and 3495 transitions. [2024-10-31 22:08:52,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1103 places, 1145 transitions, 2320 flow [2024-10-31 22:08:52,168 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1101 places, 1145 transitions, 2316 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:08:52,184 INFO L231 Difference]: Finished difference. Result has 1101 places, 1145 transitions, 2298 flow [2024-10-31 22:08:52,186 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1200, PETRI_DIFFERENCE_MINUEND_FLOW=2294, PETRI_DIFFERENCE_MINUEND_PLACES=1099, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2298, PETRI_PLACES=1101, PETRI_TRANSITIONS=1145} [2024-10-31 22:08:52,188 INFO L277 CegarLoopForPetriNet]: 1110 programPoint places, -9 predicate places. [2024-10-31 22:08:52,189 INFO L471 AbstractCegarLoop]: Abstraction has has 1101 places, 1145 transitions, 2298 flow [2024-10-31 22:08:52,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1162.3333333333333) internal successors, (3487), 3 states have internal predecessors, (3487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:52,192 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:08:52,193 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:52,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:08:52,194 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 282 more)] === [2024-10-31 22:08:52,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:52,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1412869979, now seen corresponding path program 1 times [2024-10-31 22:08:52,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:52,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628711908] [2024-10-31 22:08:52,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:52,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:52,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:52,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:52,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:52,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628711908] [2024-10-31 22:08:52,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628711908] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:52,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:52,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:08:52,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146157891] [2024-10-31 22:08:52,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:52,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:08:52,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:52,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:08:52,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:08:52,357 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1161 out of 1200 [2024-10-31 22:08:52,362 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1101 places, 1145 transitions, 2298 flow. Second operand has 3 states, 3 states have (on average 1162.3333333333333) internal successors, (3487), 3 states have internal predecessors, (3487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:52,363 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:08:52,363 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1161 of 1200 [2024-10-31 22:08:52,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:08:53,106 INFO L124 PetriNetUnfolderBase]: 76/1643 cut-off events. [2024-10-31 22:08:53,106 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2024-10-31 22:08:53,153 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1669 conditions, 1643 events. 76/1643 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 7468 event pairs, 3 based on Foata normal form. 0/1327 useless extension candidates. Maximal degree in co-relation 1615. Up to 17 conditions per place. [2024-10-31 22:08:53,177 INFO L140 encePairwiseOnDemand]: 1197/1200 looper letters, 9 selfloop transitions, 2 changer transitions 0/1144 dead transitions. [2024-10-31 22:08:53,177 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1102 places, 1144 transitions, 2318 flow [2024-10-31 22:08:53,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:08:53,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:08:53,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3495 transitions. [2024-10-31 22:08:53,186 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9708333333333333 [2024-10-31 22:08:53,186 INFO L175 Difference]: Start difference. First operand has 1101 places, 1145 transitions, 2298 flow. Second operand 3 states and 3495 transitions. [2024-10-31 22:08:53,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1102 places, 1144 transitions, 2318 flow [2024-10-31 22:08:53,257 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1100 places, 1144 transitions, 2314 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:08:53,275 INFO L231 Difference]: Finished difference. Result has 1100 places, 1144 transitions, 2296 flow [2024-10-31 22:08:53,277 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1200, PETRI_DIFFERENCE_MINUEND_FLOW=2292, PETRI_DIFFERENCE_MINUEND_PLACES=1098, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2296, PETRI_PLACES=1100, PETRI_TRANSITIONS=1144} [2024-10-31 22:08:53,278 INFO L277 CegarLoopForPetriNet]: 1110 programPoint places, -10 predicate places. [2024-10-31 22:08:53,279 INFO L471 AbstractCegarLoop]: Abstraction has has 1100 places, 1144 transitions, 2296 flow [2024-10-31 22:08:53,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1162.3333333333333) internal successors, (3487), 3 states have internal predecessors, (3487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:53,283 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:08:53,283 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:53,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:08:53,284 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 282 more)] === [2024-10-31 22:08:53,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:53,285 INFO L85 PathProgramCache]: Analyzing trace with hash -252227556, now seen corresponding path program 1 times [2024-10-31 22:08:53,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:53,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124247577] [2024-10-31 22:08:53,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:53,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:53,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:53,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:53,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:53,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124247577] [2024-10-31 22:08:53,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124247577] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:53,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:53,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:08:53,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563725820] [2024-10-31 22:08:53,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:53,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:08:53,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:53,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:08:53,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:08:53,533 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1152 out of 1200 [2024-10-31 22:08:53,540 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1100 places, 1144 transitions, 2296 flow. Second operand has 3 states, 3 states have (on average 1153.3333333333333) internal successors, (3460), 3 states have internal predecessors, (3460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:53,541 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:08:53,541 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1152 of 1200 [2024-10-31 22:08:53,541 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:08:55,383 INFO L124 PetriNetUnfolderBase]: 265/5202 cut-off events. [2024-10-31 22:08:55,383 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-10-31 22:08:55,428 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5256 conditions, 5202 events. 265/5202 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 37378 event pairs, 9 based on Foata normal form. 0/4111 useless extension candidates. Maximal degree in co-relation 5194. Up to 37 conditions per place. [2024-10-31 22:08:55,459 INFO L140 encePairwiseOnDemand]: 1197/1200 looper letters, 18 selfloop transitions, 2 changer transitions 0/1143 dead transitions. [2024-10-31 22:08:55,460 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1101 places, 1143 transitions, 2334 flow [2024-10-31 22:08:55,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:08:55,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:08:55,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3477 transitions. [2024-10-31 22:08:55,467 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9658333333333333 [2024-10-31 22:08:55,468 INFO L175 Difference]: Start difference. First operand has 1100 places, 1144 transitions, 2296 flow. Second operand 3 states and 3477 transitions. [2024-10-31 22:08:55,468 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1101 places, 1143 transitions, 2334 flow [2024-10-31 22:08:55,474 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1099 places, 1143 transitions, 2330 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:08:55,486 INFO L231 Difference]: Finished difference. Result has 1099 places, 1143 transitions, 2294 flow [2024-10-31 22:08:55,488 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1200, PETRI_DIFFERENCE_MINUEND_FLOW=2290, PETRI_DIFFERENCE_MINUEND_PLACES=1097, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2294, PETRI_PLACES=1099, PETRI_TRANSITIONS=1143} [2024-10-31 22:08:55,489 INFO L277 CegarLoopForPetriNet]: 1110 programPoint places, -11 predicate places. [2024-10-31 22:08:55,489 INFO L471 AbstractCegarLoop]: Abstraction has has 1099 places, 1143 transitions, 2294 flow [2024-10-31 22:08:55,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1153.3333333333333) internal successors, (3460), 3 states have internal predecessors, (3460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:55,492 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:08:55,492 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:55,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:08:55,493 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 282 more)] === [2024-10-31 22:08:55,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:55,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1033412382, now seen corresponding path program 1 times [2024-10-31 22:08:55,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:55,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485402320] [2024-10-31 22:08:55,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:55,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:55,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:55,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:55,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:55,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485402320] [2024-10-31 22:08:55,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485402320] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:55,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:55,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:08:55,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191385366] [2024-10-31 22:08:55,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:55,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:08:55,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:55,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:08:55,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:08:55,678 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1148 out of 1200 [2024-10-31 22:08:55,685 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1099 places, 1143 transitions, 2294 flow. Second operand has 3 states, 3 states have (on average 1149.3333333333333) internal successors, (3448), 3 states have internal predecessors, (3448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:55,685 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:08:55,685 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1148 of 1200 [2024-10-31 22:08:55,685 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:08:57,821 INFO L124 PetriNetUnfolderBase]: 409/7907 cut-off events. [2024-10-31 22:08:57,821 INFO L125 PetriNetUnfolderBase]: For 1/2 co-relation queries the response was YES. [2024-10-31 22:08:57,875 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7983 conditions, 7907 events. 409/7907 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 65004 event pairs, 15 based on Foata normal form. 0/6228 useless extension candidates. Maximal degree in co-relation 7913. Up to 53 conditions per place. [2024-10-31 22:08:57,914 INFO L140 encePairwiseOnDemand]: 1197/1200 looper letters, 22 selfloop transitions, 2 changer transitions 0/1142 dead transitions. [2024-10-31 22:08:57,914 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1100 places, 1142 transitions, 2340 flow [2024-10-31 22:08:57,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:08:57,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:08:57,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3469 transitions. [2024-10-31 22:08:57,923 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9636111111111111 [2024-10-31 22:08:57,923 INFO L175 Difference]: Start difference. First operand has 1099 places, 1143 transitions, 2294 flow. Second operand 3 states and 3469 transitions. [2024-10-31 22:08:57,924 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1100 places, 1142 transitions, 2340 flow [2024-10-31 22:08:57,931 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1098 places, 1142 transitions, 2336 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:08:57,944 INFO L231 Difference]: Finished difference. Result has 1098 places, 1142 transitions, 2292 flow [2024-10-31 22:08:57,945 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1200, PETRI_DIFFERENCE_MINUEND_FLOW=2288, PETRI_DIFFERENCE_MINUEND_PLACES=1096, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2292, PETRI_PLACES=1098, PETRI_TRANSITIONS=1142} [2024-10-31 22:08:57,946 INFO L277 CegarLoopForPetriNet]: 1110 programPoint places, -12 predicate places. [2024-10-31 22:08:57,946 INFO L471 AbstractCegarLoop]: Abstraction has has 1098 places, 1142 transitions, 2292 flow [2024-10-31 22:08:57,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1149.3333333333333) internal successors, (3448), 3 states have internal predecessors, (3448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:57,949 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:08:57,949 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:57,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:08:57,949 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 282 more)] === [2024-10-31 22:08:57,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:57,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1301004677, now seen corresponding path program 1 times [2024-10-31 22:08:57,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:57,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370949031] [2024-10-31 22:08:57,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:57,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:57,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:57,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:57,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:57,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370949031] [2024-10-31 22:08:57,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370949031] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:57,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:57,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:08:58,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324361628] [2024-10-31 22:08:58,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:58,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:08:58,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:58,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:08:58,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:08:58,088 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1152 out of 1200 [2024-10-31 22:08:58,093 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1098 places, 1142 transitions, 2292 flow. Second operand has 3 states, 3 states have (on average 1153.3333333333333) internal successors, (3460), 3 states have internal predecessors, (3460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:58,093 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:08:58,094 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1152 of 1200 [2024-10-31 22:08:58,094 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:08:58,998 INFO L124 PetriNetUnfolderBase]: 58/1169 cut-off events. [2024-10-31 22:08:58,999 INFO L125 PetriNetUnfolderBase]: For 11/12 co-relation queries the response was YES. [2024-10-31 22:08:59,027 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1214 conditions, 1169 events. 58/1169 cut-off events. For 11/12 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 4817 event pairs, 9 based on Foata normal form. 0/955 useless extension candidates. Maximal degree in co-relation 1136. Up to 37 conditions per place. [2024-10-31 22:08:59,054 INFO L140 encePairwiseOnDemand]: 1197/1200 looper letters, 18 selfloop transitions, 2 changer transitions 0/1141 dead transitions. [2024-10-31 22:08:59,055 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1099 places, 1141 transitions, 2330 flow [2024-10-31 22:08:59,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:08:59,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:08:59,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3477 transitions. [2024-10-31 22:08:59,066 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9658333333333333 [2024-10-31 22:08:59,067 INFO L175 Difference]: Start difference. First operand has 1098 places, 1142 transitions, 2292 flow. Second operand 3 states and 3477 transitions. [2024-10-31 22:08:59,067 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1099 places, 1141 transitions, 2330 flow [2024-10-31 22:08:59,083 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1097 places, 1141 transitions, 2326 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:08:59,127 INFO L231 Difference]: Finished difference. Result has 1097 places, 1141 transitions, 2290 flow [2024-10-31 22:08:59,129 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1200, PETRI_DIFFERENCE_MINUEND_FLOW=2286, PETRI_DIFFERENCE_MINUEND_PLACES=1095, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2290, PETRI_PLACES=1097, PETRI_TRANSITIONS=1141} [2024-10-31 22:08:59,130 INFO L277 CegarLoopForPetriNet]: 1110 programPoint places, -13 predicate places. [2024-10-31 22:08:59,134 INFO L471 AbstractCegarLoop]: Abstraction has has 1097 places, 1141 transitions, 2290 flow [2024-10-31 22:08:59,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1153.3333333333333) internal successors, (3460), 3 states have internal predecessors, (3460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:59,137 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:08:59,141 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:59,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:08:59,142 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 282 more)] === [2024-10-31 22:08:59,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:59,142 INFO L85 PathProgramCache]: Analyzing trace with hash 125718912, now seen corresponding path program 1 times [2024-10-31 22:08:59,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:59,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450213110] [2024-10-31 22:08:59,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:59,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:59,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:59,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:59,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:59,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450213110] [2024-10-31 22:08:59,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450213110] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:59,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:59,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:08:59,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188978756] [2024-10-31 22:08:59,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:59,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:08:59,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:59,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:08:59,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:08:59,444 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1148 out of 1200 [2024-10-31 22:08:59,451 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1097 places, 1141 transitions, 2290 flow. Second operand has 3 states, 3 states have (on average 1149.3333333333333) internal successors, (3448), 3 states have internal predecessors, (3448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:59,451 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:08:59,451 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1148 of 1200 [2024-10-31 22:08:59,452 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:09:00,121 INFO L124 PetriNetUnfolderBase]: 81/1489 cut-off events. [2024-10-31 22:09:00,121 INFO L125 PetriNetUnfolderBase]: For 17/18 co-relation queries the response was YES. [2024-10-31 22:09:00,145 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1551 conditions, 1489 events. 81/1489 cut-off events. For 17/18 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 7126 event pairs, 15 based on Foata normal form. 0/1205 useless extension candidates. Maximal degree in co-relation 1465. Up to 54 conditions per place. [2024-10-31 22:09:00,166 INFO L140 encePairwiseOnDemand]: 1197/1200 looper letters, 22 selfloop transitions, 2 changer transitions 0/1140 dead transitions. [2024-10-31 22:09:00,166 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1098 places, 1140 transitions, 2336 flow [2024-10-31 22:09:00,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:09:00,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:09:00,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3469 transitions. [2024-10-31 22:09:00,177 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9636111111111111 [2024-10-31 22:09:00,177 INFO L175 Difference]: Start difference. First operand has 1097 places, 1141 transitions, 2290 flow. Second operand 3 states and 3469 transitions. [2024-10-31 22:09:00,177 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1098 places, 1140 transitions, 2336 flow [2024-10-31 22:09:00,188 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1096 places, 1140 transitions, 2332 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:09:00,206 INFO L231 Difference]: Finished difference. Result has 1096 places, 1140 transitions, 2288 flow [2024-10-31 22:09:00,208 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1200, PETRI_DIFFERENCE_MINUEND_FLOW=2284, PETRI_DIFFERENCE_MINUEND_PLACES=1094, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2288, PETRI_PLACES=1096, PETRI_TRANSITIONS=1140} [2024-10-31 22:09:00,209 INFO L277 CegarLoopForPetriNet]: 1110 programPoint places, -14 predicate places. [2024-10-31 22:09:00,209 INFO L471 AbstractCegarLoop]: Abstraction has has 1096 places, 1140 transitions, 2288 flow [2024-10-31 22:09:00,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1149.3333333333333) internal successors, (3448), 3 states have internal predecessors, (3448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:00,213 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:09:00,213 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:09:00,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 22:09:00,213 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 282 more)] === [2024-10-31 22:09:00,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:00,214 INFO L85 PathProgramCache]: Analyzing trace with hash 2132624575, now seen corresponding path program 1 times [2024-10-31 22:09:00,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:00,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340342028] [2024-10-31 22:09:00,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:00,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:00,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:09:00,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:09:00,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:09:00,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340342028] [2024-10-31 22:09:00,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340342028] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:09:00,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:09:00,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:09:00,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395130362] [2024-10-31 22:09:00,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:09:00,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:09:00,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:09:00,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:09:00,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:09:00,376 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1155 out of 1200 [2024-10-31 22:09:00,383 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1096 places, 1140 transitions, 2288 flow. Second operand has 3 states, 3 states have (on average 1156.3333333333333) internal successors, (3469), 3 states have internal predecessors, (3469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:00,383 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:09:00,383 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1155 of 1200 [2024-10-31 22:09:00,383 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:09:01,596 INFO L124 PetriNetUnfolderBase]: 187/3388 cut-off events. [2024-10-31 22:09:01,597 INFO L125 PetriNetUnfolderBase]: For 7/9 co-relation queries the response was YES. [2024-10-31 22:09:01,636 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3467 conditions, 3388 events. 187/3388 cut-off events. For 7/9 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 23194 event pairs, 24 based on Foata normal form. 0/2698 useless extension candidates. Maximal degree in co-relation 3373. Up to 67 conditions per place. [2024-10-31 22:09:01,660 INFO L140 encePairwiseOnDemand]: 1197/1200 looper letters, 15 selfloop transitions, 2 changer transitions 0/1139 dead transitions. [2024-10-31 22:09:01,660 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1097 places, 1139 transitions, 2320 flow [2024-10-31 22:09:01,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:09:01,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:09:01,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3483 transitions. [2024-10-31 22:09:01,669 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9675 [2024-10-31 22:09:01,670 INFO L175 Difference]: Start difference. First operand has 1096 places, 1140 transitions, 2288 flow. Second operand 3 states and 3483 transitions. [2024-10-31 22:09:01,670 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1097 places, 1139 transitions, 2320 flow [2024-10-31 22:09:01,679 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1095 places, 1139 transitions, 2316 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:09:01,696 INFO L231 Difference]: Finished difference. Result has 1095 places, 1139 transitions, 2286 flow [2024-10-31 22:09:01,698 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1200, PETRI_DIFFERENCE_MINUEND_FLOW=2282, PETRI_DIFFERENCE_MINUEND_PLACES=1093, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2286, PETRI_PLACES=1095, PETRI_TRANSITIONS=1139} [2024-10-31 22:09:01,699 INFO L277 CegarLoopForPetriNet]: 1110 programPoint places, -15 predicate places. [2024-10-31 22:09:01,699 INFO L471 AbstractCegarLoop]: Abstraction has has 1095 places, 1139 transitions, 2286 flow [2024-10-31 22:09:01,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1156.3333333333333) internal successors, (3469), 3 states have internal predecessors, (3469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:01,708 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:09:01,708 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:09:01,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-31 22:09:01,708 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 282 more)] === [2024-10-31 22:09:01,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:01,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1889010279, now seen corresponding path program 1 times [2024-10-31 22:09:01,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:01,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431171025] [2024-10-31 22:09:01,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:01,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:01,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:09:01,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:09:01,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:09:01,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431171025] [2024-10-31 22:09:01,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431171025] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:09:01,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:09:01,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:09:01,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393599048] [2024-10-31 22:09:01,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:09:01,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:09:01,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:09:01,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:09:01,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:09:01,934 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1155 out of 1200 [2024-10-31 22:09:01,942 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1095 places, 1139 transitions, 2286 flow. Second operand has 3 states, 3 states have (on average 1156.3333333333333) internal successors, (3469), 3 states have internal predecessors, (3469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:01,942 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:09:01,942 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1155 of 1200 [2024-10-31 22:09:01,942 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:09:02,859 INFO L124 PetriNetUnfolderBase]: 188/3402 cut-off events. [2024-10-31 22:09:02,859 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2024-10-31 22:09:02,905 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3478 conditions, 3402 events. 188/3402 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 23610 event pairs, 24 based on Foata normal form. 0/2699 useless extension candidates. Maximal degree in co-relation 3376. Up to 64 conditions per place. [2024-10-31 22:09:02,920 INFO L140 encePairwiseOnDemand]: 1197/1200 looper letters, 15 selfloop transitions, 2 changer transitions 0/1138 dead transitions. [2024-10-31 22:09:02,921 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1096 places, 1138 transitions, 2318 flow [2024-10-31 22:09:02,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:09:02,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:09:02,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3483 transitions. [2024-10-31 22:09:02,928 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9675 [2024-10-31 22:09:02,928 INFO L175 Difference]: Start difference. First operand has 1095 places, 1139 transitions, 2286 flow. Second operand 3 states and 3483 transitions. [2024-10-31 22:09:02,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1096 places, 1138 transitions, 2318 flow [2024-10-31 22:09:02,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1094 places, 1138 transitions, 2314 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:09:02,947 INFO L231 Difference]: Finished difference. Result has 1094 places, 1138 transitions, 2284 flow [2024-10-31 22:09:02,949 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1200, PETRI_DIFFERENCE_MINUEND_FLOW=2280, PETRI_DIFFERENCE_MINUEND_PLACES=1092, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2284, PETRI_PLACES=1094, PETRI_TRANSITIONS=1138} [2024-10-31 22:09:02,950 INFO L277 CegarLoopForPetriNet]: 1110 programPoint places, -16 predicate places. [2024-10-31 22:09:02,950 INFO L471 AbstractCegarLoop]: Abstraction has has 1094 places, 1138 transitions, 2284 flow [2024-10-31 22:09:02,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1156.3333333333333) internal successors, (3469), 3 states have internal predecessors, (3469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:02,952 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:09:02,952 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:09:02,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-31 22:09:02,952 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 282 more)] === [2024-10-31 22:09:02,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:02,953 INFO L85 PathProgramCache]: Analyzing trace with hash 36552946, now seen corresponding path program 1 times [2024-10-31 22:09:02,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:02,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822713020] [2024-10-31 22:09:02,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:02,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:02,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:09:02,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:09:03,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:09:03,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822713020] [2024-10-31 22:09:03,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822713020] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:09:03,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:09:03,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:09:03,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944214537] [2024-10-31 22:09:03,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:09:03,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:09:03,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:09:03,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:09:03,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:09:03,086 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1149 out of 1200 [2024-10-31 22:09:03,090 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1094 places, 1138 transitions, 2284 flow. Second operand has 3 states, 3 states have (on average 1150.3333333333333) internal successors, (3451), 3 states have internal predecessors, (3451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:03,090 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:09:03,091 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1149 of 1200 [2024-10-31 22:09:03,091 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:09:04,990 INFO L124 PetriNetUnfolderBase]: 385/7451 cut-off events. [2024-10-31 22:09:04,991 INFO L125 PetriNetUnfolderBase]: For 1/2 co-relation queries the response was YES. [2024-10-31 22:09:05,033 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7523 conditions, 7451 events. 385/7451 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 60625 event pairs, 14 based on Foata normal form. 0/5877 useless extension candidates. Maximal degree in co-relation 7413. Up to 50 conditions per place. [2024-10-31 22:09:05,064 INFO L140 encePairwiseOnDemand]: 1197/1200 looper letters, 21 selfloop transitions, 2 changer transitions 0/1137 dead transitions. [2024-10-31 22:09:05,064 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1095 places, 1137 transitions, 2328 flow [2024-10-31 22:09:05,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:09:05,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:09:05,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3471 transitions. [2024-10-31 22:09:05,071 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9641666666666666 [2024-10-31 22:09:05,071 INFO L175 Difference]: Start difference. First operand has 1094 places, 1138 transitions, 2284 flow. Second operand 3 states and 3471 transitions. [2024-10-31 22:09:05,071 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1095 places, 1137 transitions, 2328 flow [2024-10-31 22:09:05,081 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1093 places, 1137 transitions, 2324 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:09:05,095 INFO L231 Difference]: Finished difference. Result has 1093 places, 1137 transitions, 2282 flow [2024-10-31 22:09:05,099 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1200, PETRI_DIFFERENCE_MINUEND_FLOW=2278, PETRI_DIFFERENCE_MINUEND_PLACES=1091, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2282, PETRI_PLACES=1093, PETRI_TRANSITIONS=1137} [2024-10-31 22:09:05,099 INFO L277 CegarLoopForPetriNet]: 1110 programPoint places, -17 predicate places. [2024-10-31 22:09:05,100 INFO L471 AbstractCegarLoop]: Abstraction has has 1093 places, 1137 transitions, 2282 flow [2024-10-31 22:09:05,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1150.3333333333333) internal successors, (3451), 3 states have internal predecessors, (3451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:05,101 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:09:05,102 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:09:05,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-31 22:09:05,103 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 282 more)] === [2024-10-31 22:09:05,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:05,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1254561465, now seen corresponding path program 1 times [2024-10-31 22:09:05,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:05,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139322159] [2024-10-31 22:09:05,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:05,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:05,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:09:05,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:09:05,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:09:05,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139322159] [2024-10-31 22:09:05,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139322159] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:09:05,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:09:05,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:09:05,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654469082] [2024-10-31 22:09:05,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:09:05,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:09:05,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:09:05,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:09:05,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:09:05,306 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1149 out of 1200 [2024-10-31 22:09:05,309 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1093 places, 1137 transitions, 2282 flow. Second operand has 3 states, 3 states have (on average 1150.3333333333333) internal successors, (3451), 3 states have internal predecessors, (3451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:05,310 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:09:05,310 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1149 of 1200 [2024-10-31 22:09:05,310 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:09:05,807 INFO L124 PetriNetUnfolderBase]: 80/1478 cut-off events. [2024-10-31 22:09:05,807 INFO L125 PetriNetUnfolderBase]: For 16/17 co-relation queries the response was YES. [2024-10-31 22:09:05,832 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1537 conditions, 1478 events. 80/1478 cut-off events. For 16/17 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 6972 event pairs, 14 based on Foata normal form. 0/1199 useless extension candidates. Maximal degree in co-relation 1419. Up to 51 conditions per place. [2024-10-31 22:09:05,845 INFO L140 encePairwiseOnDemand]: 1197/1200 looper letters, 21 selfloop transitions, 2 changer transitions 0/1136 dead transitions. [2024-10-31 22:09:05,845 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1094 places, 1136 transitions, 2326 flow [2024-10-31 22:09:05,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:09:05,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:09:05,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3471 transitions. [2024-10-31 22:09:05,851 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9641666666666666 [2024-10-31 22:09:05,851 INFO L175 Difference]: Start difference. First operand has 1093 places, 1137 transitions, 2282 flow. Second operand 3 states and 3471 transitions. [2024-10-31 22:09:05,851 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1094 places, 1136 transitions, 2326 flow [2024-10-31 22:09:05,858 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1092 places, 1136 transitions, 2322 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:09:05,871 INFO L231 Difference]: Finished difference. Result has 1092 places, 1136 transitions, 2280 flow [2024-10-31 22:09:05,873 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1200, PETRI_DIFFERENCE_MINUEND_FLOW=2276, PETRI_DIFFERENCE_MINUEND_PLACES=1090, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2280, PETRI_PLACES=1092, PETRI_TRANSITIONS=1136} [2024-10-31 22:09:05,873 INFO L277 CegarLoopForPetriNet]: 1110 programPoint places, -18 predicate places. [2024-10-31 22:09:05,874 INFO L471 AbstractCegarLoop]: Abstraction has has 1092 places, 1136 transitions, 2280 flow [2024-10-31 22:09:05,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1150.3333333333333) internal successors, (3451), 3 states have internal predecessors, (3451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:05,875 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:09:05,875 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:09:05,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-31 22:09:05,876 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 282 more)] === [2024-10-31 22:09:05,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:05,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1544415427, now seen corresponding path program 1 times [2024-10-31 22:09:05,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:05,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430305954] [2024-10-31 22:09:05,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:05,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:09:06,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:09:06,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:09:06,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430305954] [2024-10-31 22:09:06,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430305954] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:09:06,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:09:06,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:09:06,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455888624] [2024-10-31 22:09:06,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:09:06,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:09:06,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:09:06,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:09:06,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:09:06,217 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1132 out of 1200 [2024-10-31 22:09:06,221 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1092 places, 1136 transitions, 2280 flow. Second operand has 3 states, 3 states have (on average 1134.0) internal successors, (3402), 3 states have internal predecessors, (3402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:06,221 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:09:06,221 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1132 of 1200 [2024-10-31 22:09:06,222 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:09:07,504 INFO L124 PetriNetUnfolderBase]: 313/4822 cut-off events. [2024-10-31 22:09:07,504 INFO L125 PetriNetUnfolderBase]: For 9/10 co-relation queries the response was YES. [2024-10-31 22:09:07,528 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5037 conditions, 4822 events. 313/4822 cut-off events. For 9/10 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 37925 event pairs, 80 based on Foata normal form. 0/3829 useless extension candidates. Maximal degree in co-relation 4912. Up to 197 conditions per place. [2024-10-31 22:09:07,546 INFO L140 encePairwiseOnDemand]: 1194/1200 looper letters, 36 selfloop transitions, 4 changer transitions 0/1134 dead transitions. [2024-10-31 22:09:07,546 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1092 places, 1134 transitions, 2356 flow [2024-10-31 22:09:07,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:09:07,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:09:07,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3438 transitions. [2024-10-31 22:09:07,551 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.955 [2024-10-31 22:09:07,551 INFO L175 Difference]: Start difference. First operand has 1092 places, 1136 transitions, 2280 flow. Second operand 3 states and 3438 transitions. [2024-10-31 22:09:07,552 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1092 places, 1134 transitions, 2356 flow [2024-10-31 22:09:07,556 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1090 places, 1134 transitions, 2352 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:09:07,567 INFO L231 Difference]: Finished difference. Result has 1090 places, 1134 transitions, 2280 flow [2024-10-31 22:09:07,570 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1200, PETRI_DIFFERENCE_MINUEND_FLOW=2272, PETRI_DIFFERENCE_MINUEND_PLACES=1088, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2280, PETRI_PLACES=1090, PETRI_TRANSITIONS=1134} [2024-10-31 22:09:07,570 INFO L277 CegarLoopForPetriNet]: 1110 programPoint places, -20 predicate places. [2024-10-31 22:09:07,571 INFO L471 AbstractCegarLoop]: Abstraction has has 1090 places, 1134 transitions, 2280 flow [2024-10-31 22:09:07,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1134.0) internal successors, (3402), 3 states have internal predecessors, (3402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:07,573 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:09:07,573 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:09:07,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-31 22:09:07,573 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 282 more)] === [2024-10-31 22:09:07,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:07,574 INFO L85 PathProgramCache]: Analyzing trace with hash 654822221, now seen corresponding path program 1 times [2024-10-31 22:09:07,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:07,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481139950] [2024-10-31 22:09:07,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:07,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:07,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:09:07,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:09:07,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:09:07,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481139950] [2024-10-31 22:09:07,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481139950] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:09:07,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:09:07,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:09:07,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761321452] [2024-10-31 22:09:07,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:09:07,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:09:07,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:09:07,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:09:07,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:09:07,707 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1155 out of 1200 [2024-10-31 22:09:07,710 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1090 places, 1134 transitions, 2280 flow. Second operand has 3 states, 3 states have (on average 1156.3333333333333) internal successors, (3469), 3 states have internal predecessors, (3469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:07,711 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:09:07,711 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1155 of 1200 [2024-10-31 22:09:07,711 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:09:08,590 INFO L124 PetriNetUnfolderBase]: 165/2961 cut-off events. [2024-10-31 22:09:08,590 INFO L125 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2024-10-31 22:09:08,644 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3039 conditions, 2961 events. 165/2961 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 18141 event pairs, 24 based on Foata normal form. 0/2364 useless extension candidates. Maximal degree in co-relation 3018. Up to 64 conditions per place. [2024-10-31 22:09:08,671 INFO L140 encePairwiseOnDemand]: 1197/1200 looper letters, 15 selfloop transitions, 2 changer transitions 0/1133 dead transitions. [2024-10-31 22:09:08,671 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1091 places, 1133 transitions, 2312 flow [2024-10-31 22:09:08,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:09:08,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:09:08,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3483 transitions. [2024-10-31 22:09:08,678 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9675 [2024-10-31 22:09:08,678 INFO L175 Difference]: Start difference. First operand has 1090 places, 1134 transitions, 2280 flow. Second operand 3 states and 3483 transitions. [2024-10-31 22:09:08,678 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1091 places, 1133 transitions, 2312 flow [2024-10-31 22:09:08,686 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1089 places, 1133 transitions, 2304 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:09:08,698 INFO L231 Difference]: Finished difference. Result has 1089 places, 1133 transitions, 2274 flow [2024-10-31 22:09:08,700 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1200, PETRI_DIFFERENCE_MINUEND_FLOW=2270, PETRI_DIFFERENCE_MINUEND_PLACES=1087, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2274, PETRI_PLACES=1089, PETRI_TRANSITIONS=1133} [2024-10-31 22:09:08,701 INFO L277 CegarLoopForPetriNet]: 1110 programPoint places, -21 predicate places. [2024-10-31 22:09:08,701 INFO L471 AbstractCegarLoop]: Abstraction has has 1089 places, 1133 transitions, 2274 flow [2024-10-31 22:09:08,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1156.3333333333333) internal successors, (3469), 3 states have internal predecessors, (3469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:08,703 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:09:08,703 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:09:08,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-31 22:09:08,703 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 282 more)] === [2024-10-31 22:09:08,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:08,704 INFO L85 PathProgramCache]: Analyzing trace with hash 943546419, now seen corresponding path program 1 times [2024-10-31 22:09:08,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:08,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424392964] [2024-10-31 22:09:08,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:08,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:08,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:09:08,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:09:08,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:09:08,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424392964] [2024-10-31 22:09:08,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424392964] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:09:08,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:09:08,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:09:08,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356171136] [2024-10-31 22:09:08,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:09:08,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:09:08,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:09:08,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:09:08,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:09:08,921 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1155 out of 1200 [2024-10-31 22:09:08,925 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1089 places, 1133 transitions, 2274 flow. Second operand has 3 states, 3 states have (on average 1156.3333333333333) internal successors, (3469), 3 states have internal predecessors, (3469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:08,926 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:09:08,926 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1155 of 1200 [2024-10-31 22:09:08,926 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:09:10,049 INFO L124 PetriNetUnfolderBase]: 165/2960 cut-off events. [2024-10-31 22:09:10,050 INFO L125 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2024-10-31 22:09:10,101 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3036 conditions, 2960 events. 165/2960 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 18168 event pairs, 24 based on Foata normal form. 0/2355 useless extension candidates. Maximal degree in co-relation 2866. Up to 64 conditions per place. [2024-10-31 22:09:10,191 INFO L140 encePairwiseOnDemand]: 1197/1200 looper letters, 15 selfloop transitions, 2 changer transitions 0/1132 dead transitions. [2024-10-31 22:09:10,191 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1090 places, 1132 transitions, 2306 flow [2024-10-31 22:09:10,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:09:10,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:09:10,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3483 transitions. [2024-10-31 22:09:10,198 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9675 [2024-10-31 22:09:10,198 INFO L175 Difference]: Start difference. First operand has 1089 places, 1133 transitions, 2274 flow. Second operand 3 states and 3483 transitions. [2024-10-31 22:09:10,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1090 places, 1132 transitions, 2306 flow [2024-10-31 22:09:10,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1088 places, 1132 transitions, 2302 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:09:10,217 INFO L231 Difference]: Finished difference. Result has 1088 places, 1132 transitions, 2272 flow [2024-10-31 22:09:10,218 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1200, PETRI_DIFFERENCE_MINUEND_FLOW=2268, PETRI_DIFFERENCE_MINUEND_PLACES=1086, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2272, PETRI_PLACES=1088, PETRI_TRANSITIONS=1132} [2024-10-31 22:09:10,219 INFO L277 CegarLoopForPetriNet]: 1110 programPoint places, -22 predicate places. [2024-10-31 22:09:10,219 INFO L471 AbstractCegarLoop]: Abstraction has has 1088 places, 1132 transitions, 2272 flow [2024-10-31 22:09:10,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1156.3333333333333) internal successors, (3469), 3 states have internal predecessors, (3469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:10,221 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:09:10,221 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:09:10,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-31 22:09:10,222 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err57ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 282 more)] === [2024-10-31 22:09:10,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:10,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1944139052, now seen corresponding path program 1 times [2024-10-31 22:09:10,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:10,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339962549] [2024-10-31 22:09:10,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:10,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:10,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:09:10,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:09:10,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:09:10,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339962549] [2024-10-31 22:09:10,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339962549] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:09:10,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:09:10,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:09:10,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350594469] [2024-10-31 22:09:10,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:09:10,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:09:10,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:09:10,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:09:10,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:09:10,394 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1145 out of 1200 [2024-10-31 22:09:10,399 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1088 places, 1132 transitions, 2272 flow. Second operand has 3 states, 3 states have (on average 1146.3333333333333) internal successors, (3439), 3 states have internal predecessors, (3439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:10,400 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:09:10,400 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1145 of 1200 [2024-10-31 22:09:10,400 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand